GI.GstVideo.Structs.VideoDither

GstVideoDither provides implementations of several dithering algorithms that can be applied to lines of video pixels to quantize and dither them.

Exported types

newtype VideoDither

Memory-managed wrapper type.

Constructors

VideoDither (ManagedPtr VideoDither)

Instances

Eq VideoDither

Defined in GI.GstVideo.Structs.VideoDither

Methods

(==) :: VideoDither -> VideoDither -> Bool

(/=) :: VideoDither -> VideoDither -> Bool

WrappedPtr VideoDither

Defined in GI.GstVideo.Structs.VideoDither

Methods

wrappedPtrCalloc :: IO (Ptr VideoDither)

wrappedPtrCopy :: VideoDither -> IO VideoDither

wrappedPtrFree :: Maybe (GDestroyNotify VideoDither)

noVideoDither :: Maybe VideoDither

A convenience alias for Nothing :: Maybe VideoDither.

Methods

Overloaded methods

free

videoDitherFree

Arguments

:: (HasCallStack, MonadIO m)

=> VideoDither

dither: a VideoDither

-> m ()

Free dither

line

videoDitherLine

Arguments

:: (HasCallStack, MonadIO m)

=> VideoDither

dither: a VideoDither

-> Ptr ()

line: pointer to the pixels of the line

-> Word32

x: x coordinate

-> Word32

y: y coordinate

-> Word32

width: the width

-> m ()

Dither width pixels starting from offset x in line using dither.

y is the line number of line in the output image.